Home / 204,005.40-306,008.10-71,035.80

Finding the Fourth Proportional to 204,005.40, 306,008.10 and 71,035.80

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Solution

The fourth proportional to 204,005.40, 306,008.10 and 71,035.80 is: 106,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,005.40 : 306,008.10 = 71,035.80 : x
  2. Step 2: Convert to fraction form
    204,005.40/306,008.10 = 71,035.80/x
  3. Step 3: Cross multiply
    204,005.40x = 306,008.10 × 71,035.80
  4. Step 4: Simplify right side
    204,005.40x = 21,737,530,189.98
  5. Step 5: Solve for x
    x = 21,737,530,189.98/204,005.40
  6. Step 6: Final answer
    x = 106,553.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.